13265778720

Names of 13265778720

• Cardinal: 13265778720 can be written as Thirteen billion, two hundred sixty-five million, seven hundred seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.326577872 × 10¹⁰

Factors of 13265778720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 39379

Divisors of 13265778720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 37 38 40 48 57 60 74 76 80 95 96 111 114 120 148 152 160 185 190 222 228 240 285 296 304 370 380 444 456 480 555 570 592 608 703 740 760 888 912 1110 1140 1184 1406 1480 1520 1776 1824 2109 2220 2280 2812 2960 3040 3515 3552 4218 4440 4560 5624 5920 7030 8436 8880 9120 10545 11248 14060 16872 17760 21090 22496 28120 33744 39313 42180 56240 67488 78626 84360 112480 117939 157252 168720 196565 235878 314504 337440 393130 471756 589695 629008 746947 786260 943512 1179390 1258016 1454581 1493894 1572520 1887024 2240841 2358780 2909162 2987788 3145040 3734735 3774048 4363743 4481682 4717560 5818324 5975576 6290080 7272905 7469470 8727486 8963364 9435120 11204205 11636648 11951152 14545810 14938940 17454972 17926728 18870240 21818715 22408410 23273296 23902304 27637039 29091620 29877880 34909944 35853456 43637430 44816820 46546592 55274078 58183240 59755760 69819888 71706912 82911117 87274860 89633640 110548156 116366480 119511520 138185195 139639776 165822234 174549720 179267280 221096312 232732960 276370390 331644468 349099440 358534560 414555585 442192624 552740780 663288936 698198880 829111170 884385248 1105481560 1326577872 1658222340 2210963120 2653155744 3316444680 4421926240 6632889360 13265778720
• Sum of all divisors σ(n): 45176503680
• Sum of proper divisors (its aliquot sum) s(n): 31910724960
• 13265778720 is an abundant number, because the sum of its proper divisors (31910724960) is greater than itself. Its abundance is 18644946240

Bases of 13265778720

• Binary: 1100010110101100111011100000100000₂
• Hexadecimal: 0x316B3B820
• Base-36: 63E3ODC

Squares and roots of 13265778720

• 13265778720 squared (13265778720²) is 175980885048004838400
• 13265778720 cubed (13265778720³) is 2334523479996588763703758848000
• The square root of 13265778720 is 115177.1623196195
• The cube root of 13265778720 is 2367.2506778895

Scales and comparisons

• 13,265,778,720 seconds is equal to 421 years, 42 weeks, 1 day, 2 hours, 32 minutes.
• To count from 1 to 13,265,778,720 would take you about eight hundred forty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 13265778720 cubic inches would be around 197.3 feet tall.

Recreational maths with 13265778720

• 13265778720 backwards is 02787756231
• 13265778720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13265778720's digits is 48
• More coming soon!